UNT Libraries Government Documents Department - 11 Matching Results

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Coupling-Pin.

Patent for a coupling pin for railroad cars, which prevents the coupling from coming loose accidentally by having a key which locks the coupling in place and can only be undone by the cars operating systems. when it is time to disconnect the car.

Date: July 23, 1907

Creator: Yeiser, John Clarke

Apparatus for Testing Errors of Refraction

Patent for an eye testing device that has a movable lens, a measuring device for correction, and two different cards with test type on them which are fed into the machine during testing for astigmatism and myopia, presbyopia, and hyperopia to determine the level of correction needed in glasses.

Date: July 2, 1907

Creator: Bahn, Gustavus Adolphus

Water-Heater.

Patent for a compact gas powered water heater that runs the water through firmly attached tubes that expand and contract with the water temperature and are placed in between heating elements. The machine can also be packed with ice to cool water in the tubes.

Date: June 18, 1907

Creator: Haynie, Brooks

Lining for Pneumatic Tires and Other Pneumatic Articles

Patent for a lining for pneumatic tires and other pneumatic articles. The invention is designed to immediately close ruptures. It applies to bicycles, automobiles, and the like. Illustration included.

Date: April 30, 1907

Creator: Petmechy, Fred

Hunting or Shooting Garment.

Patent for a coat for use while using firearms that has pads built into the shoulders to absorb the impact of the recoil of the gun and protect the shoulders from rubbing while carrying the gun.

Date: April 2, 1907

Creator: Petmecky, Fred

Motor-Vehicle.

Patent for "improving the construction of motor vehicles, especially the running gear...and to provide a strong and durable construction adapted to afford a sufficient support for the motor and driving gears at a point beneath the body of the vehicle and between the front and rear axles where a load can be carried to greatest advantage" (lines 11-19).

Date: February 19, 1907

Creator: Lloyd, William Daniel

Laminated Tire.

Patent for a laminated tire for automobiles that is less rigid than previous tires and is easily built and repaired.

Date: May 21, 1907

Creator: Carhart, John Wesley

Grate For Boiler Furnaces, &c

Patent for a grate for boiler furnaces. This invention can be used for steam-boiler furnaces, stoves, or any device to "produce a higher degree of heat than is obtained by the usual grates" (line 11-12). Illustration included.

Date: February 26, 1907

Creator: Spiller, Philip S. & Brenizer, Nelson, O.

Needle for Graphophones and the Like.

Patent for a gramophone needle that produces better sound due to allowing for vibrations and can be used longer by producing a a sharpened point on one side while playing that can be used the next time by turning over the needle.

Date: April 9, 1907

Creator: Petmecky, Fred

Portable Cotton Compress or Baling Machine

Patent for a portable baling machine used to compress cotton bales more uniformly and efficiently. Illustrations included.

Date: June 11, 1907

Creator: Phillips, John William

Electric Heater for Metal Workers.

Patent for a electric heater for heating metal in preparation for welding. Consists of a bath of sal ammonia and water with a layer of graphite on top that the metal is placed into and then electric current is turned on which heats the metal to a weldable temperature.

Date: May 7, 1907

Creator: Luthy, Joseph Otto